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Finding the Fourth Proportional to 248,487.48, 342,797.28 and 146,443.44

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Solution

The fourth proportional to 248,487.48, 342,797.28 and 146,443.44 is: 202,023.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,487.48 : 342,797.28 = 146,443.44 : x
  2. Step 2: Convert to fraction form
    248,487.48/342,797.28 = 146,443.44/x
  3. Step 3: Cross multiply
    248,487.48x = 342,797.28 × 146,443.44
  4. Step 4: Simplify right side
    248,487.48x = 50,200,412,905.84
  5. Step 5: Solve for x
    x = 50,200,412,905.84/248,487.48
  6. Step 6: Final answer
    x = 202,023.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.